1. Curvilinear cluster sets of arbitrary functions;Bagemihl;Proc. Natl. Acad. Sci. USA,1955
2. The boundary behaviour of Blaschke products;Cargo;J. Math. Anal. Appl.,1962
3. The Theory of Cluster Sets
4. Uniqueness theorems for analytic and subharmonic functions;Eiderman;Algebra i Analiz,2002